In a statement to AllThingsD reporter Mike Isaac, Michael Thacker of HP's Pride Employee Resource Group explained that "HP has more than 30 years of partnership with and participation in Pride events, and works throughout the year to build and strengthen HP as an organization that values all employees, customers and communities.

Facebook declined to give an official statement, but did point out the results of a recent study that showed 70 percent of Facebook members have an openly gay friend on the social network, and CEO and co-founder Mark Zuckerberg posted on his Timeline, saying "I'm proud that our country is moving in the right direction, and I'm happy for so many of my friends and their families. #PrideConnectsUs." Facebook's Instagram photo-sharing service did take to Twitter to show off a blog post collecting users' posts that mentioned the rulings.

Many companies that call San Francisco home -- as Instagram does -- were more open on social media. Ride-sharing service Uber tweeted out support, and S.F.'s largest clothing company was active, with Gap and its Banana Republic brand sharing creative photos in support of the ruling on their Facebook pages. Fellow S.F. clothier Levi's also sounded a note of support in a statement that read, "We applaud the Supreme Court's decisions in today's historic rulings. Though the struggle is far from over, today is a pivotal step forward in the ongoing fight for marriage equality."

SV150 market report: Markets rise, but Apple closes below $400 for first time since April

And the widely watched Standard & Poor's 500 index: Up 15.23, or 0.96 percent, to 1,603.26

Check in weekday afternoons for the 60-Second Business Break, a summary of news from Mercury News staff writers, The Associated Press, Bloomberg News and other wire services. Contact Jeremy C. Owens at 408-920-5876; follow him at Twitter.com/mercbizbreak.